Base | Representation |
---|---|
bin | 1010000101101… |
… | …0010101000110 |
3 | 2221121201120021 |
4 | 2201122111012 |
5 | 41313004110 |
6 | 4110525354 |
7 | 1022440414 |
oct | 241322506 |
9 | 87551507 |
10 | 42313030 |
11 | 21980451 |
12 | 1220685a |
13 | 89c65c6 |
14 | 58962b4 |
15 | 3aac2da |
hex | 285a546 |
42313030 has 32 divisors (see below), whose sum is σ = 80157600. Its totient is φ = 16058112.
The previous prime is 42313013. The next prime is 42313067. The reversal of 42313030 is 3031324.
It is a junction number, because it is equal to n+sod(n) for n = 42312995 and 42313013.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15874 + ... + 18346.
It is an arithmetic number, because the mean of its divisors is an integer number (2504925).
Almost surely, 242313030 is an apocalyptic number.
42313030 is a deficient number, since it is larger than the sum of its proper divisors (37844570).
42313030 is a wasteful number, since it uses less digits than its factorization.
42313030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2568.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 42313030 is about 6504.8466546107. The cubic root of 42313030 is about 348.4640998213.
Adding to 42313030 its reverse (3031324), we get a palindrome (45344354).
The spelling of 42313030 in words is "forty-two million, three hundred thirteen thousand, thirty".
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